Magnetic sheet handling apparatus



Uct. 9, 1956 D. BucclcoNE 2,765,043

MAGNETIC SHEET HANDLING APPARATUS Filed April 14, 1952 2 Sheets-Sheet l CoA/790m Oct. 9, 1956 D. BUCCICONE 2,756,043

MAGNETIC SHEET HANDLING APPARATUS Filed April 14, 1952 2 Sheets-Sheet 2 60A/Tea w! 95 j aan .IHNEN l .42g //b 922 //'f United States Patent 2,766,043' MAGNETIC SHEET HANDLING APPARATUS Gary, `Ind. Application April 14, 1952, sain No. 282,120

Dario Buccicone,

vPatented Oct. 9, 1956 consists of a rectangular drum from a motor 70 through drive mechanism 72 The ro- 2 Crarms (CL 271`18) tation of motor 70 and energization of magnets 68 is controlled by a control 74 Photo-electric switches 76 and 78 are provided at theentry end and midwayrthe length of conveyor 46? respectively Y A control 80 is This invention relates to magnetic sheet handling ap- Provided for causing swneh 76 to deenergze magnets paratus and more particularly to apparatus for handling e4 When the tan end of a sheer S Passes therehy to! en` sheets to be inspected. In the inspection of magnetic efolZe ne magnets 54 When mersneet has .Passed from Sheets such as tin plate it is customary to feed the the eonyeyor .46 and "fo Cause swneh 76 te herone mel." sheets from `a pile to the inspecting line. Both sides of erotwewnen desired A eennol 82 is Provided for cans' the sheets are generally inspected and in most cases the 2h ing swneh to deenerglze magnets 54 When. the tan inspector must turn the sheets over by hand. Very often end of a sheet S Passes lherebyl and to feernerglizle nenl the inspector must also handle 'the sheets to classify When the oonyeyor 461s fre-e of sneets- A beh con"eyor inem 84 is located beneath the drum 66 and leads to an It 1S therefore an object of my invention to provide inclined inspection conveyor 86 which consists of spaced apparatus for handling magnetic sheets during inspection apart magnene rans 83 and hens 90 The eonyeyors 84 and classification where it is not necessary for the inand 86 are dhyen from a meter 92 thrdngh drlve mesh" specter lo handle lne sheets. anism 94. The operation of motor 92 is determined by Another object is to provide apparatus for feeding the means of a controls@ l r sheets from a pile to the inspection apparatus. A eonyeyor 98 snnnar so conveyor 46 1s Provlded at Still another object is to provide apparatus for turning the exn end. or Cdnyeyer 86 and eonslsts or spaced apart Sheets upside down magnetic rails 100 and belts 102 which are rotated from These and other objects will be more apparent after a motor 104 through drrye mechanism 106 Operation referring to the following specification and attached drawor motor 104 rs Contrdhed hy a Control 108 Sheet Pders ings in which: 11) and 112 are provided beneath the rst and second Figures l and lrl together show .n lon plam View of the 30 halves of conveyor 98, respectively. Photo-electric inspecting line; switches 114 and 116 are provided adjacent the entry end Figures 2 `and 2a together show a side elevation of the and mddway me length or me conveyor 8 ahd are, Pro' inspecting line of Figure l; vided with controls 118 and 120, respectively.l Switches Figure 3 is a View laken on the line lll`lll of Fig 114 and 16 and controls 118 and 120 are similar to and ure l and showing tbe foeding mechanism; function in the same manner as switches 76 and 78 and Figure 4 is a view, similar to Figure 3, but showing controls 80 dhd 82 rsspechyery the apparatus in n dinerent position; and The operationof .the device is -as follows: A pile of igure 5 is a View taken on the line V-V of Figure 2. sheets s rs Pdsmdhed hh me hydrahhc hrt 4 and me Referring more particularly to the drawings, the ref. Various conveyors started in operation. The operator erence numeral 2 indicates a roller conveyor for deliver- 4h meh Operates 'me Comror 3d ,to cause the amr 26 to ing a pile of sheets S to an hydraulic lift 4 the operation move from hs uppermost posmon to ns rowermdst 130s1- of which is controlled by the control 5 which is disposed hoh and mhh hack to hs starhhg pdsmoh Ih hs extreme beneath a magnetic fender unit 6 e nml 6 includes lower position the free end of arm 26 firsthattracts the a pair of spaced apart magnetic rails 8 each of which ehd or me mp sheer 0h the stack and as rt starts up is located between a Pair of spaced apart pulleys 10 50 wardly the sheet is peeled from the stack without scratchand 12 A bell la is supported between nach pair of ing As the arm 26 moves upwardly it carries the sheet pulleys l@ and l2. ne pulleys 10 are rotated by a with it until the arm moves above the belts 14 which motor lo ibrounn drive lg A control 20 is provided to strip 'the sheet from the arm 26 The sheet is transferred start and stop motor 16. The pulleys 12 are mounted to me behsdd and held meredgamst by meahs or the on a shaft 22 which is supported at its ends in bearings 55 magnetic r'mrs 8 The sheet S rs meh trahsrerred 'to A magnetic erni 25 approximntely the length of a the inspection conveyor 38 by means ofl belts 14 It sneer S, is pivolnlly mounted at one end on the shaft will be understood that the foregoing operation is repeated 22 lie over end of the arm 25 rs Supported by and to feed sheets successively and that the lift 4 will be moved about its pivot by means of a connectino rod 28, moved upwardly by means or me Control 5 as me sheets Crank 30 and motor 32, me operation of which ls com 60 are fed from the stack As the sheet S passes over con- [rolled by a control 34. Magnets 36 ,are mounted on veyor 38 the inspector inspects the top part of the sheet the arm 25 and if it is satisfactory it passes to conveyor46 As the An inspection table 3S is provided adjacent the delivend of the Sheet passes photo-electric switch 76 the ery end of `the feeder unit 6 and consists of spaced apart magnets 54 are-desnerglzed by means of control 80 and c n, the sheet falls into piler 64. If the sheet is defective magnetic ram so provided with magnets 42 and around the operator operates control 80 to cause switch 76 to each of mmh d hert 44 passes' The tamdds extends ecome inoperative and the sheet will continue its travel dpwardry. *rdm me feeder und n to a Posrnon beneath until its tail end passes switch 78 which will cause the a magetlc COITl'ef/Cl' The belts are TOta'ted from magnets to be deenergized, thus causing Sheet tio a HIOFOT as through dl'Ye mechanism 50 and Pulleys 70 fall onto turnover drum 66 The control 74 is then oper- 52. The conveyor 46, which is similar to inspection conveyor 38, consists of mitting the sheet to fall on conveyor 84. The sheet passes magnetic arm from a position below said conveyor adjafrom conveyor 84 to conveyor 86 where its opposite side cent `the top sheet of said pile to a position above the is inspected. lf the sheetg is satisfactory it passes to lower part of said conveyor to thereby lift the top sheet conveyorY 98 and when its tail end passes switch 114 the from said pile to the bottom of said conveyor. magnets 100 are deenergized by means of control 118 5 2. A magnetic sheet feeder comprising a lift for supand the sheet falls into piler` 11G. lf the sheet is detecporting a pile of magnetic sheets, a pair of spaced apart tive the operator operates control 118 to canse switch magnetic rails above said lift, a belt conveyor around 114 to become inoperative and the sheet will continue each magnetic rail, a magnetic arm, means for pivotally its travel until its tail end passes switch 116 which will mounting one end of said magnetic arm between Said belt cause magnets 110 '-to bey deenergized, thus causing the 10 Conveyors, and means for moving the other end gf Said Sheet 10 fau 11110 P1161' 11,2- magnetic arm from a position below said belt conveyors While one embodiment of my invention has been shown to a position above the lower runs of said conveyors to and described it will be apparent lthat other adaptations thereby transfer a Sheet from Said Pila to the bottom and Irnodiiications may be made without departing from mns of Said conveyors the scope of the following' claims. 15

1 Clam References Cited in the ile of this patent '1. .A magnetic sheet feeder comprising-means for sup- UNITED STATES PATENTS porting a pile of magnetic sheets, a magnetic conveyor located above said pile of sheets, a magnetic arm extend- 1,012,235 13611611 Dec- 19, 1911 ing above said pile of sheets, said arm being magnetized 20 1,685,761 BrOdmeyer Sept. 25, 1928 along a substantial `part of the length thereof, means for 1,812,201 Denner et al June 30, 1931 pivotally mounting one end of said magnetic arm above 1,873,860 Balletti Aug. 23, 1932 and adjacent one end'of the pile of sheets, the free end 2,492,889 Royal Dec. 27, 1949 of said arm being located'above the other end of the pile '2,593,814 Van Schie Apr. 22, 1952 of sheets, and means for moving the other end of Said 25 2,601,072 Van Schie lune 17, 1952 

